如何修复未定义的 React-Native 与 Expo 的读取属性"showimagepicker"



我有一个项目,我需要将图像上传或捕获到服务器,因此我将软件包imagePicker安装到项目中,但是当我尝试使用属性ShowimagePicker时,我会收到错误"无法读取未定义的属性" ShowImagePicker"

我尝试更改版本,但行不通。我目前有:

-Android Studio虚拟设备我使用Android 8.0

创建手机

- " expo":"^ 32.0.0",

- "反应":" 16.5.0",

- " react-native":" https://github.com/expo/react-native/archive/sdk-32.0.0.tar.gz",

- " react-native-image-picker":"^ 0.26.7" btw"^ 0.24.0"。

我尝试修改android-settings.gradle:

包括':反应形象图片'project(':react-nimative-image-picker')。projectdir = new file(rootproje)ct.projectdir,'../node_modules/react-native-inative-image-picker/android')

和in andoidManifest.xml我放置:

<uses-permission android:name="android.permission.CAMERA"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

imagepicker.showimagepicker(选项,(响应)=> {

   if (response.didCancel) {
      console.log('User cancelled photo picker');
   }
    else if (response.error) {
      console.log('ImagePicker Error: ', response.error);
    }
    else {
          console.log('imagen', response)
         let source = { uri: response.uri, uriOri:response.origURL, data: 
         response.data };
         let item = {
            data:response.data,
            test:'test123',
            source: source
          }
         var {cantImg} = this.state
         if(this.state.avatarSource1 == null){
            this.setState({avatarSource1: source})
            cantImg++
            console.log(cantImg)
          }else if(this.state.avatarSource2 == null)
          {
            this.setState({ avatarSource2: source })
            cantImg++
            console.log(cantImg)
           }else if(this.state.avatarSource3 == null)
          {
            this.setState({ avatarSource3: source })
            cantImg++
            console.log(cantImg)
          }
      this.setState({ cantImg: cantImg })
      this.refs.x.focus()
      const dismissKeyboard = require('dismissKeyboard');
      dismissKeyboard();
      Keyboard.dismiss()
   }
 });

我当前收到错误的"无法读取属性的'showimagepicker''''nordefined'

这是一个屏幕:https://prnt.sc/ml7qi1

i"解决"问题只是将Imagapicker代码从React-Native将Imagapicker代码修改为Expo Image-Picker,如果您想更多信息,这是文档https://docs.expo.io/版本/最新/sdk/imagepicker/

我通过更新我的导入来修复它:

import * as ImagePicker from 'react-native-image-picker';
ImagePicker.showImagePicker(options, (response) => {
         // code here
};

它对我有用

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